In the monthly payment formula r is the percentage rate as a decimal.
To turn a percentage into a decimal, move the decimal point 2 places to the left.
5.7% becomes 0.057
Answer:

Step-by-step explanation:
Isolate the variable by doing operations to both sides of the equation.
The work is shown below:

There's no following. You need to post a picture or complete the question.
40 percent of 250 = .4*250 = 100
100 seventh graders got the flu.
There must be 2 lines on every plane because you need a y-axis and an x-axis.